linux-kernel - Re: [PATCH 1/2] mm/zswap: make sure each swapfile always have zswap rb-tree

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Date: Thu, 18 Jan 2024 09:37:14 -0800
From: Yosry Ahmed <yosryahmed@...gle.com>
To: Chengming Zhou <zhouchengming@...edance.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, 
	Johannes Weiner <hannes@...xchg.org>, linux-mm@...ck.org, Chris Li <chriscli@...gle.com>, 
	Nhat Pham <nphamcs@...il.com>
Subject: Re: [PATCH 1/2] mm/zswap: make sure each swapfile always have zswap rb-tree

On Wed, Jan 17, 2024 at 1:23 AM Chengming Zhou
<zhouchengming@...edance.com> wrote:
>
> Not all zswap interfaces can handle the absence of the zswap rb-tree,
> actually only zswap_store() has handled it for now.
>
> To make things simple, we make sure each swapfile always have the
> zswap rb-tree prepared before being enabled and used. The preparation
> is unlikely to fail in practice, this patch just make it explicit.
>
> Signed-off-by: Chengming Zhou <zhouchengming@...edance.com>

Acked-by: Yosry Ahmed <yosryahmed@...gle.com>